Police today searched a house in Manchester, which was home to a British man who was killed in Syria.
Abu Layth - his family name is understood to be Anil Khalil Raoufi - had travelled to the war-torn joined the fight against President Assad.
ITV News International Correspondent Rageh Omaar reports on the growing number of young British men choosing to take part in the conflict:
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In Edinburgh tonight you can hear it and feel it. The buzz, the banter of the day and the thrilling sense something big is coming tomorrow.
There is nervousness, anxiety and on the streets of Edinburgh fuelled by an atmosphere unlike anything seen before in recent UK politics.
How will the vote go? What would a Yes victory do to England? Policital Editor Tom Bradby answers readers' questions on the referendum.